Accelerated Enhances Running System Debug with ARM RealView Support

3/24/2005 - Accelerated Technology(r), a Mentor Graphics division (Nasdaq: MENT), announced that a Running System Debug (RSD) enhancement supporting the ARM(r) RealView(r) Developer Suite has been added to the Nucleus(r) PLUS real-time kernel. This enhancement will allow the Nucleus software application developers using the RealView RVD Debugger to halt individual Nucleus software tasks without needing to halt the Central Processing Unit (CPU), i.e., the entire system and all tasks at once.

Running System Debug enhancement allows development of real-time systems as the CPU continues to run, hence enabling analysis of the whole system, or the stopping of selected individual or groups of tasks. This is extremely useful for interrupt-driven embedded applications including those that manage external events that cannot be stopped. For example, in a connectivity application, the tasks handling the communications link can continue to run while the developer stops/single-steps/debugs the data-processing thread. This may also speed development by avoiding the need to restart or re-sync the unit on the other side of the comms link. In a mechanical control application, the tasks controlling sensor movement and position can continue running (hence avoiding a collision) while application threads are debugged.

"Accelerated Technology has always had strong support for the ARM processors. The Nucleus RTOS, coupled with the ARM RealView Developer Suite Running System Debug features, enables developers to have ultimate control over their high-performance, multi-threaded applications," said Brian McAllister, director of marketing, Development Systems, ARM.

"Debugging real-time systems introduces complexity not found in other types of applications. For systems such as a hard disk drive, halting the system to debug it could cause catastrophic damage to the hardware. Nucleus software customers using ARM RealView tools will now have the support they need to debug their complex real-time systems," said Robert Day, director of marketing, Embedded Systems Division, Mentor Graphics.

Pricing and Availability
The Nucleus embedded software is sold in source code format and without royalty fees. Licenses for the RSD enhancement for the Nucleus software begin at U.S. $1,295. For more information, please contact Accelerated Technology at 800-468-6853 or

About Mentor Graphics
Mentor Graphics Corporation (Nasdaq: MENT) is a world leader in electronic hardware and software design solutions, providing products, consulting services and award-winning support for the world's most successful electronics and semiconductor companies. Established in 1981, the company reported revenues over the last 12 months of over $700 million and employs approximately 3,850 people worldwide. Corporate headquarters are located at 8005 S.W. Boeckman Road, Wilsonville, Oregon 97070-7777; Silicon Valley headquarters are located at 1001 Ridder Park Drive, San Jose, California 95131-2314. World Wide Web site:

Accelerated Technology, a division of Mentor Graphics Corporation, is located in Mobile, Alabama with sales offices and distributors worldwide. By providing embedded systems developers with a focus on service, well-documented source code and industry-leading non-royalty-based Real-Time Operating Systems (RTOS) software including modeling software, prototyping tools, kernels, middleware and development tools, Accelerated Technology's suite of products shorten time-to-market and provide a complete solution for engineers. For more information, please visit or e-mail us at

Mentor Graphics, Accelerated Technology and Nucleus are registered trademarks of Mentor Graphics Corporation.

ARM and RealView are registered trademarks of ARM Limited. "ARM" is used to represent ARM Holdings plc (LSE: ARM and Nasdaq: ARMHY); its operating company ARM Limited; and the regional subsidiaries ARM INC.; ARM KK; ARM Korea Ltd.; ARM Taiwan; ARM France SAS; ARM Consulting (Shanghai) Co. Ltd.; ARM Belgium N.V.; and ARM Embedded Solutions Pvt. Ltd.

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